Simon Folkard

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Folkard Simon
Do permanent night workers show circadian adjustment? A review based on the endogenous melatonin rhythm.
Akerstedt Torbjörn; Ingre Michael; Kecklund Göran; Folkard Simon; Axelsson John
Accounting for partial sleep deprivation and cumulative sleepiness in the Three-Process Model of alertness regulation.
Folkard Simon
Shift work, safety, and aging.

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All Publications

2008: Folkard Simon
Do permanent night workers show circadian adjustment? A review based on the endogenous melatonin rhythm.
Chronobiology international 2008;25(2):215-24.
2008: Akerstedt Torbjörn; Ingre Michael; Kecklund Göran; Folkard Simon; Axelsson John
Accounting for partial sleep deprivation and cumulative sleepiness in the Three-Process Model of alertness regulation.
Chronobiology international 2008;25(2):309-19.
2008: Folkard Simon
Shift work, safety, and aging.
Chronobiology international 2008;25(2):183-98.
2006: Folkard Simon; Lombardi David A
Modeling the impact of the components of long work hours on injuries and "accidents".
American journal of industrial medicine 2006;49(11):953-63.
2006: McDougall Siné; Tyrer Victoria; Folkard Simon
Searching for signs, symbols, and icons: effects of time of day, visual complexity, and grouping.
Journal of experimental psychology. Applied 2006;12(2):118-28.
2006: Tucker Philip; Lombardi David; Smith Lawrence; Folkard Simon
The impact of rest breaks on temporal trends in injury risk.
Chronobiology international 2006;23(6):1423-34.
2006: Folkard Simon; Lombardi David A; Spencer Mick B
Estimating the circadian rhythm in the risk of occupational injuries and accidents.
Chronobiology international 2006;23(6):1181-92.
2005: Wirz-Justice Anna; Daan Serge; Folkard Simon; Lewy Alfred; Lund Reimer; Zulley Jürgen
Rutger Wever: an appreciation.
Journal of biological rhythms 2005;20(6):554-5.
2005: Folkard Simon; Lombardi David A; Tucker Philip T
Shiftwork: safety, sleepiness and sleep.
Industrial health 2005;43(1):20-3.
2004: Folkard Simon; Akerstedt Torbjörn
Trends in the risk of accidents and injuries and their implications for models of fatigue and performance.
Aviation, space, and environmental medicine 2004;75(3 Suppl):A161-7.
2004: Akerstedt Torbjörn; Folkard Simon; Portin Christian
Predictions from the three-process model of alertness.
Aviation, space, and environmental medicine 2004;75(3 Suppl):A75-83.
2004: Folkard Simon; Lombardi David A
Toward a "Risk Index" to assess work schedules.
Chronobiology international 2004;21(6):1063-72.
2004: Gärtner Johannes; Popkin Stephen; Leitner Wolfgang; Wahl Sabine; Akerstedt Torbjörn; Folkard Simon
Analyzing irregular working hours: lessons learned in the development of RAS 1.0--The Representation and Analysis Software.
Chronobiology international 2004;21(6):1025-35.
2004: Costa Giovanni; Akerstedt Torbjorn; Nachreiner Friedhelm; Baltieri Federica; Carvalhais José; Folkard Simon; Dresen Monique Frings; Gadbois Charles; Gartner Johannes; Sukalo Hiltraud Grzech; Härmä Mikko; Kandolin Irja; Sartori Samantha; Silvério Jorge
Flexible working hours, health, and well-being in Europe: some considerations from a SALTSA project.
Chronobiology international 2004;21(6):831-44.
2003: Folkard Simon; Tucker Philip
Shift work, safety and productivity.
Occupational medicine (Oxford, England) 2003;53(2):95-101.
2003: Tucker P; Folkard S; Macdonald I
Rest breaks and accident risk.
Lancet 2003;361(9358):680.
2003: Flower David J C; Irvine David; Folkard Simon
Perception and predictability of travel fatigue after long-haul flights: a retrospective study.
Aviation, space, and environmental medicine 2003;74(2):173-9.
2001: Iskra-Golec I; Fafrowicz M; Marek T; Costa G; Folkard S; Foret J; Kundi M; Smith L
The effect of a change in sleep-wakefulness timing, bright light and physical exercise interventions on 24-hour patterns of performance, mood and body temperature.
Journal of human ergology 2001;30(1-2):261-6.
2001: Smith C; Gibby R; Zickar M; Crossley C; Robie C; Folkard S; Tucker P; Barton J
Measurement properties of the Shiftwork Survey and Standard Shiftwork Index.
Journal of human ergology 2001;30(1-2):191-6.
2001: Folkard S; Hill J
Can we predict perceived risk?
Journal of human ergology 2001;30(1-2):89-95.
2001: Smith L; Norman P; Folkard S
Predicting shiftwork-related outcomes: shiftwork locus of control and circadian type.
Journal of human ergology 2001;30(1-2):59-64.
2001: Costa G; Akerstedt T; Nachreiner F; Baltieri F; Folkard S; Frings Dresen M; Gadbois C; Gartner J; Grzech Sukalo H; Harma M; Kandolin I; Silverio J; Simoes A
Flexible work hours, health and well-being in the European Union: preliminary data from a SALTSA project.
Journal of human ergology 2001;30(1-2):27-33.
2001: Waterhouse J; Folkard S; Van Dongen H; Minors D; Owens D; Kerkhof G; Weinert D; Nevill A; Macdonald I; Sytnik N; Tucker P
Temperature profiles, and the effect of sleep on them, in relation to morningness-eveningness in healthy female subjects.
Chronobiology international 2001;18(2):227-47.
2000: Tucker P; Smith L; Macdonald I; Folkard S
Effects of direction of rotation in continuous and discontinuous 8 hour shift systems.
Occupational and environmental medicine 2000;57(10):678-84.
2000: Waterhouse J; Weinert D; Minors D; Folkard S; Owens D; Atkinson G; Macdonald I; Sytnik N; Tucker P; Reilly T
A comparison of some different methods for purifying core temperature data from humans.
Chronobiology international 2000;17(4):539-66.
2000: Waterhouse J; Weinert D; Minors D; Folkard S; Owens D; Atkinson G; Nevill A; Reilly T
Estimates of the daily phase and amplitude of the endogenous component of the circadian rhythm of core temperature in sedentary humans living nychthemerally.
Biological rhythm research 2000;31(1):88-107.
2000: Owens D S; Macdonald I; Tucker P; Sytnik N; Totterdell P; Minors D; Waterhouse J; Folkard S
Diurnal variations in the mood and performance of highly practised young women living under strictly controlled conditions.
British journal of psychology (London, England : 1953) 2000;91 ( Pt 1)():41-60.
1999: Folkard S; Akerstedt T; Macdonald I; Tucker P; Spencer M B
Beyond the three-process model of alertness: estimating phase, time on shift, and successive night effects.
Journal of biological rhythms 1999;14(6):577-87.
1999: Smith C S; Robie C; Folkard S; Barton J; Macdonald I; Smith L; Spelten E; Totterdell P; Costa G
A process model of shiftwork and health.
Journal of occupational health psychology 1999;4(3):207-18.
1999: Waterhouse J; Weinert D; Minors D; Atkinson G; Reilly T; Folkard S; Owens D; Macdonald I; Sytnik N; Tucker P
The effect of activity on the waking temperature rhythm in humans.
Chronobiology international 1999;16(3):343-57.
1999: Minors D; Waterhouse J; Akerstedt T; Atkinson G; Folkard S
Effect of sleep loss on core temperature when movement is controlled.
Ergonomics 1999;42(4):647-56.
1999: Tucker P; Smith L; Macdonald I; Folkard S
Distribution of rest days in 12 hour shift systems: impacts on health, wellbeing, and on shift alertness.
Occupational and environmental medicine 1999;56(3):206-14.
1999: Waterhouse J; Minors D; Folkard S; Owens D; Atkinson G; Macdonald I; Nevill A; Reilly T; Sytnik N; Tucker P; Weinert D
Lack of evidence that feedback from lifestyle alters the amplitude of the circadian pacemaker in humans.
Chronobiology international 1999;16(1):93-107.
1998: Blagrove M; Owens D S; MacDonald I; Sytnik N; Tucker P; Folkard S
Time of day effects in, and the relationship between, sleep quality and movement.
Journal of sleep research 1998;7(4):233-9.
1998: Smith L; Macdonald I; Folkard S; Tucker P
Industrial shift systems.
Applied ergonomics 1998;29(4):273-80.
1998: Tucker P; Smith L; Macdonald I; Folkard S
The impact of early and late shift changeovers on sleep, health, and well-being in 8- and 12-hour shift systems.
Journal of occupational health psychology 1998;3(3):265-75.
1998: Morgan L; Arendt J; Owens D; Folkard S; Hampton S; Deacon S; English J; Ribeiro D; Taylor K
Effects of the endogenous clock and sleep time on melatonin, insulin, glucose and lipid metabolism.
The Journal of endocrinology 1998;157(3):443-51.
1998: Smith L; Folkard S; Tucker P; Macdonald I
Work shift duration: a review comparing eight hour and 12 hour shift systems.
Occupational and environmental medicine 1998;55(4):217-29.
1998: Waterhouse J; Minors D; Folkard S; Owens D; Atkinson G; Macdonald I; Reilly T; Sytnik N; Tucker P
Light of domestic intensity produces phase shifts of the circadian oscillator in humans.
Neuroscience letters 1998;245(2):97-100.
1998: Owens D S; Macdonald I; Tucker P; Sytnik N; Minors D; Waterhouse J; Totterdell P; Folkard S
Diurnal trends in mood and performance do not all parallel alertness.
Scandinavian journal of work, environment & health 1998;24 Suppl 3():109-14.
1998: Tucker P; Smith L; Macdonald I; Folkard S
Shift length as a determinant of retrospective on-shift alertness.
Scandinavian journal of work, environment & health 1998;24 Suppl 3():49-54.
1997: Folkard S
Black times: temporal determinants of transport safety.
Accident; analysis and prevention 1997;29(4):417-30.
1997: Taylor E; Briner R B; Folkard S
Models of shiftwork and health: an examination of the influence of stress on shiftwork theory.
Human factors 1997;39(1):67-82.
1997: Akerstedt T; Folkard S
The three-process model of alertness and its extension to performance, sleep latency, and sleep length.
Chronobiology international 1997;14(2):115-23.
1997: Boivin D B; Czeisler C A; Dijk D J; Duffy J F; Folkard S; Minors D S; Totterdell P; Waterhouse J M
Complex interaction of the sleep-wake cycle and circadian phase modulates mood in healthy subjects.
Archives of general psychiatry 1997;54(2):145-52.
1996: Owens D S; Macdonald I; Benton D; Sytnik N; Tucker P; Folkard S
A preliminary investigation into individual differences in the circadian variation of meal tolerance: effects on mood and hunger.
Chronobiology international 1996;13(6):435-47.
1996: Tucker P; Barton J; Folkard S
Comparison of eight and 12 hour shifts: impacts on health, wellbeing, and alertness during the shift.
Occupational and environmental medicine 1996;53(11):767-72.
1996: Minors D; Waterhouse J; Folkard S; Atkinson G
The difference between activity when in bed and out of bed. III. Nurses on night work.
Chronobiology international 1996;13(4):273-82.
1996: Minors D S; Folkard S; Waterhouse J M
The shape of the endogenous circadian rhythm of rectal temperature in humans.
Chronobiology international 1996;13(4):261-71.
1996: Minors D; Folkard S; MacDonald I; Owens D; Sytnik N; Tucker P; Waterhouse J
The difference between activity when in bed and out of bed. II. Subjects on 27-hour "days".
Chronobiology international 1996;13(3):179-90.
1996: Akerstedt T; Folkard S
Predicting sleep latency from the three-process model of alertness regulation.
Psychophysiology 1996;33(4):385-9.
1996: Minors D; Akerstedt T; Atkinson G; Dahlitz M; Folkard S; Levi F; Mormont C; Parkes D; Waterhouse J
The difference between activity when in bed and out of bed. I. Healthy subjects and selected patients.
Chronobiology international 1996;13(1):27-34.
1996: Monk T H; Folkard S; Wedderburn A I
Maintaining safety and high performance on shiftwork.
Applied ergonomics 1996;27(1):17-23.
1996: Akerstedt T; Folkard S
Predicting duration of sleep from the three process model of regulation of alertness.
Occupational and environmental medicine 1996;53(2):136-41.
1995: Folkard S; Spelten E; Totterdell P; Barton J; Smith L
The use of survey measures to assess circadian variations in alertness.
Sleep 1995;18(5):355-61.
1995: Barton J; Spelten E; Totterdell P; Smith L; Folkard S
Is there an optimum number of night shifts? Relationship between sleep, health and well-being.
Work and stress 1995;9(2-3):109-23.
1995: Totterdell P; Spelten E; Smith L; Barton J; Folkard S
Recovery from work shifts: how long does it take?
The Journal of applied psychology 1995;80(1):43-57.
1995: Akerstedt T; Folkard S
Validation of the S and C components of the three-process model of alertness regulation.
Sleep 1995;18(1):1-6.
1994: Barton J; Folkard S; Smith L; Poole C J
Effects on health of a change from a delaying to an advancing shift system.
Occupational and environmental medicine 1994;51(11):749-55.
1994: Smith L; Folkard S; Poole C J
Increased injuries on night shift.
Lancet 1994;344(8930):1137-9.
1994: Folkard S; Totterdell P
"Time since sleep" and "body clock" components of alertness and cognition.
Acta psychiatrica Belgica 1994;94(2):73-4.
1993: Folkard S; Arendt J; Clark M
Can melatonin improve shift workers' tolerance of the night shift? Some preliminary findings.
Chronobiology international 1993;10(5):315-20.
1993: Waterhouse J M; Folkard S; Minors D S
Effects of a change in shift-work on health.
Occupational medicine (Oxford, England) 1993;43(3):167-8.
1993: Barton J; Spelten E R; Smith L R; Totterdell P A; Folkard S
A classification of nursing and midwifery shift systems.
International journal of nursing studies 1993;30(1):65-80.
1993: Folkard S; Barton J
Does the 'forbidden zone' for sleep onset influence morning shift sleep duration?
Ergonomics 1993;36(1-3):85-91.
1993: Barton J; Folkard S
Advancing versus delaying shift systems.
Ergonomics 1993;36(1-3):59-64.
1993: Spelten E; Barton J; Folkard S
Have we underestimated shiftworkers' problems? Evidence from a 'reminiscence' study.
Ergonomics 1993;36(1-3):307-12.
1993: Smith L; Folkard S
The perceptions and feelings of shiftworkers' partners.
Ergonomics 1993;36(1-3):299-305.
1993: Folkard S; Totterdell P; Minors D; Waterhouse J
Dissecting circadian performance rhythms: implications for shiftwork.
Ergonomics 1993;36(1-3):283-8.
1993: Spelten E; Smith L; Totterdell P; Barton J; Folkard S; Bohle P
The relationship between coping strategies and GHQ-scores in nurses.
Ergonomics 1993;36(1-3):227-32.
1992: Folkard S
Is there a 'best compromise' shift system?
Ergonomics 1992;35(12):1453-63; discussion 1465-6.
1992: Akerstedt T; Hume K I; Minors D S; Waterhouse J M; Folkard S
Sleep on a shortening day/night schedule.
Electroencephalography and clinical neurophysiology 1992;82(2):102-11.
1991: Folkard S; Minors D S; Waterhouse J M
"Demasking" the temperature rhythm after simulated time zone transitions.
Journal of biological rhythms 1991;6(1):81-91.
1990: Folkard S; Arendt J; Aldhous M; Kennett H
Melatonin stabilises sleep onset time in a blind man without entrainment of cortisol or temperature rhythms.
Neuroscience letters 1990;113(2):193-8.
1990: Folkard S
Circadian performance rhythms: some practical and theoretical implications.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences 1990;327(1241):543-53.
1990: Folkard S; Minors D S; Waterhouse J M
[Chronobiology and shift work: current issues and trends]
Taehan kanho. The Korean nurse 1990;29(1):48-52.
1989: Folkard S
Shift work--a growing occupational hazard.
Occupational health; a journal for occupational health nurses 1989;41(7):182-4, 186.
1989: Costa G; Lievore F; Casaletti G; Gaffuri E; Folkard S
Circadian characteristics influencing interindividual differences in tolerance and adjustment to shiftwork.
Ergonomics 1989;32(4):373-85.
1989: Folkard S
The pragmatic approach to masking.
Chronobiology international 1989;6(1):55-64.
1988: Vidacek S; Kaliterna L; Radosevic-Vidacek B; Folkard S
Personality differences in the phase of circadian rhythms: a comparison of morningness and extraversion.
Ergonomics 1988;31(6):873-88.
1988: Minors D; Waterhouse J; Hume K; Marks M; Arendt J; Folkard S; Akerstedt T
Sleep and circadian rhythms of temperature and urinary excretion on a 22.8 hr "day".
Chronobiology international 1988;5(1):65-80.
1987: Folkard S; Condon R
Night shift paralysis in air traffic control officers.
Ergonomics 1987;30(9):1353-63.
1987: Broadway J; Arendt J; Folkard S
Bright light phase shifts the human melatonin rhythm during the Antarctic winter.
Neuroscience letters 1987;79(1-2):185-9.
1986: Vidacek S; Kaliterna L; Radosevic-Vidacek B; Folkard S
Productivity on a weekly rotating shift system: circadian adjustment and sleep deprivation effects?
Ergonomics 1986;29(12):1583-90.
1986: Folkard S
Our diurnal nature.
British medical journal (Clinical research ed.) 1986;293(6557):1257-8.
1986: Griffiths P A; Folkard S; Bojkowski C; English J; Arendt J
Persistent 24-h variations of urinary 6-hydroxy melatonin sulphate and cortisol in Antarctica.
Experientia 1986;42(4):430-2.
1986: Adams J; Folkard S; Young M
Coping strategies used by nurses on night duty.
Ergonomics 1986;29(2):185-96.
1985: Minors D; Waterhouse J; Folkard S
Sleepless nights: when duty calls.
Nursing times 1985;81(46):27-8.
1985: Folkard S; Marks M; Minors D S; Waterhouse J M
Circadian rhythms in human performance and affective state.
Acta psychiatrica Belgica 1985;85(5):568-81.
1985: Minors D; Waterhouse J; Folkard S
Night duty. Out of rhythm.
Nursing times 1985;81(15):26-7.
1985: Folkard S; Hume K I; Minors D S; Waterhouse J M; Watson F L
Independence of the circadian rhythm in alertness from the sleep/wake cycle.
Nature 1985;313(6004):678-9.
1985: Folkard S; Minors D S; Waterhouse J M
Chronobiology and shift work: current issues and trends.
Chronobiologia 1985;12(1):31-54.
1985: Arendt J; Bojkowski C; Folkard S; Franey C; Marks V; Minors D; Waterhouse J; Wever R A; Wildgruber C; Wright J
Some effects of melatonin and the control of its secretion in humans.
Ciba Foundation symposium 1985;117():266-83.
1984: Folkard S; Minors D S; Waterhouse J M
Is there more than one circadian clock in humans? Evidence from fractional desynchronization studies.
The Journal of physiology 1984;357():341-56.
1984: Folkard S; Condon R; Herbert M
Night shift paralysis.
Experientia 1984;40(5):510-2.
1983: Folkard S; Wever R A; Wildgruber C M
Multi-oscillatory control of circadian rhythms in human performance.
Nature 1983;305(5931):223-6.
1983: Monk T H; Leng V C; Folkard S; Weitzman E D
Circadian rhythms in subjective alertness and core body temperature.
Chronobiologia 1983;10(1):49-55.
1980: Eysenck M W; Folkard S
Personality, time of day, and caffeine: some theoretical and conceptual problems in Revelle et al.
Journal of experimental psychology. General 1980;109(1):32-41.

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